TP-28 Firmware Upgrade

[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.
https://www.yealink.com/ydmp-freetrial-2020

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James_Yealink Offline

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Post: #2

RE: TP-28 Firmware Upgrade

Hi Tim,

Can you let me know the hardware and SN of this phone?

Regards,
James

04-28-2015 06:56 PM

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TP-28 Firmware Upgrade - prta - 04-27-2015, 10:54 AM

RE: TP-28 Firmware Upgrade - James_Yealink - 04-28-2015 06:56 PM

RE: TP-28 Firmware Upgrade - prta - 05-01-2015, 02:20 PM

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